"Joseph S. Myers" <[EMAIL PROTECTED]> writes:

> Does -ftrapv ever take advantage of trapping instructions where the
> hardware has them available?

Yes, for example Alpha.

> Does anyone make substantial use of -ftrapv in production

There are rarely bug reports about it; for example pointer difference
with odd sized objects was broken for years, and reported only twice
or so.

-- 
        Falk

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